检索结果-南通市图书馆

制造业数字化转型背景下高校实践教学探究——以广东理工学院经济管理学院为例

在线全文

学校读者我要写书评

暂无评论

对外经贸 2024年第7期 149-152页

作者：邓宁君刘颖佳广东理工学院广东肇庆526000

依托数字化技术逐步转型是当前制造业的发展主要趋势,这一变革不仅重塑了生产流程,也引发了高校实践教学模式的深刻变化。科产教融合实践教学基地作为高校与企业合作的重要平台,直接反映了人才培养与社会需求的契合度。基于科产教融合... 详细信息

依托数字化技术逐步转型是当前制造业的发展主要趋势,这一变革不仅重塑了生产流程,也引发了高校实践教学模式的深刻变化。科产教融合实践教学基地作为高校与企业合作的重要平台,直接反映了人才培养与社会需求的契合度。基于科产教融合实践教学基地实际情况,以及协作高校数字化资源与教育教学主体的思路,提出要在实践教学中融入数字化手段、增加以数字化应用能力为导向的课程比例、鼓励学生参与实践性科研项目、深化产教融合推进校企合作等方式,为提升人才培养与社会需求的契合度、优化应用型本科高校教育模式提供了有益借鉴。

关键词：制造业数字化转型实践教学

Sulfur/carbon composites prepared with ordered porous carbon for Li-S battery cathode

在线全文

学校读者我要写书评

暂无评论

Journal of Energy Chemistry 2014年第3期23卷 391-396页

作者： Xin Zhuang yingjia liu Jian Chen Hao Chen Baolian Yi Lab of Advanced Rechargeable Batteries Dalian Institute of Chemical PhysicsChinese Academy of Science

Ordered porous cabon with a 2-D hexagonal structure,high specific surface area and large pore volume was synthesized through a twostep heating method using tri-block copolymer as template and phenolic resin as carbon *** results indicated the electrochemical performance of the sulfur/carbon composites prepared with the ordered porous carbon was significantly affected by the pore structure of the *** the specific capacity and cycling stability of the sulfur/carbon composites were improved using the bimodal micro/meso-porous carbon frameworks with high surface *** initial discharge capacity can be as high as 1200 mAh·g-1 at a current density of 167.5 mA·g-1The improved capacity retention was obtained during the cell cycling as well.

关键词： lithium-sulfur battery sulfur/carbon composite ordered porous carbon bimodal micro/meso-porous carbon tri-block copolymer

十二个油橄榄品种的叶片保水能力及解剖结构分析

在线全文

学校读者我要写书评

暂无评论

南方农业 2024年第7期18卷 48-53页

作者：刘应嘉李彩雷成功党江波西南大学园艺园林学院重庆400715 重庆市涪陵区经济作物发展中心重庆涪陵400800 重庆市林业科学研究院重庆400036

叶片是植物水分蒸腾的主要器官,其保水能力对植物耐旱性有重要影响,叶片的保水性与其解剖结构存在一定关系。以12个油橄榄(Olea europaea L.)品种为材料,分别对其叶片的含水量、失水速率、失水后复水的电导率及叶片的结构等进行分析。... 详细信息

叶片是植物水分蒸腾的主要器官,其保水能力对植物耐旱性有重要影响,叶片的保水性与其解剖结构存在一定关系。以12个油橄榄(Olea europaea L.)品种为材料,分别对其叶片的含水量、失水速率、失水后复水的电导率及叶片的结构等进行分析。结果表明,不同品种叶片的含水量为(38.75±0.34)%~(57.75±0.53)%;阿尔波萨娜品种叶片的失水速率最小,科拉蒂叶片的失水速率最大;鄂植8号失水后复水叶片的相对电导率为(23.47±2.61)%,与新鲜叶片的相对电导率无显著差异(p>0.05),科拉蒂、莱星和豆果的相对电导率在处理前后的变化较大;叶片上叶面蜡质层厚度和上、下叶面蜡质层厚度之和与失水速率呈中度负相关。由此可见,阿尔波萨娜叶片的保水能力最强,但鄂植8号失水后细胞膜稳定性最高,蜡质层厚度对叶片保水能力的影响较大。

关键词：油橄榄叶片保水能力耐旱性相对电导率

维普期刊数据库博看期刊

A lab-on-a-disc platform based on nickel nanowire net and smartphone imaging for rapid and automatic detection of foodborne bacteria

在线全文

学校读者我要写书评

暂无评论

Chinese Chemical Letters 2022年第4期33卷 2091-2095页

作者： Xiaoting Huo Lei Wang Wuzhen Qi Na Rong yingjia liu Siyuan Wang Hong Duan Jianhan Lin Key Laboratory of Agricultural Information Acquisition Technology Ministry of Agriculture and Rural AffairsChina Agricultural UniversityBeijing 100083China Key Laboratory of Modern Precision Agriculture System Integration Research Ministry of EducationChina Agricultural UniversityBeijing 100083China

Foodborne pathogenic bacteria have been considered as a major risk factor for food safety. It is of great significance to carry out in-field screening of pathogenic bacteria to prevent the outbreaks of foodborne diseases. In this study, a portable lab-on-a-disc platform with a microfluidic disc was developed for rapid and automatic detection of Salmonella typhimurium using a nickel nanowire(Ni NW) net for effective separation of target bacteria, horseradish peroxidase nanoflowers(HRP NFs) for efficient amplification of biological signals, and a self-developed smartphone APP for accurate analysis of colorimetric images. First,the microfluidic disc was preloaded with reagents and samples and centrifuged to form one bacterial sample column, one immune Ni NW column, one HRP NF column, two washing buffer columns and one tetramethylbenzidine(TMB) column, which were separated by air gaps. Then, a rotatable magnetic field was specifically developed to assemble the Ni NWs into a net, which was automatically controlled by a stepped motor to successively pass through the sample column for specific capture of target bacteria, the HRP NF column for specific label of target bacteria, the washing columns for effective removal of sample background and non-specific binding NFs, and the TMB column for colorimetric determination of target bacteria. The color change of TMB from colorless to blue was finally analyzed using the smartphone APP to quantitatively determine the target bacteria. This lab-on-a-disc platform could detect Salmonella typhimurium from 5.6 × 10^(1) CFU/20 μL to 5.6 × 10^(5) CFU/20 μL in 1 h with a lower detection limit of 56 CFU/20 μL. The recovery of target bacteria in spiked chicken samples ranged from 97.5% to 101.8%. This portable platform integrating separation, labeling, washing, catalysis and detection onto a single disc is featured with automatic operation, fast reaction, and small size and has shown its potential for in-field detection of foodborne pathoge

关键词： Lab-on-a-disk platform Nickel nanowire net Horseradish peroxidase nanoflowers Smartphone Bacteria detection

A microfluidic biosensor for rapid detection of Salmonella typhimurium based on magnetic separation,enzymatic catalysis and electrochemical impedance analysis

在线全文

学校读者我要写书评

暂无评论

Chinese Chemical Letters 2022年第6期33卷 3156-3160页

作者： yingjia liu Dong Jiang Siyuan Wang Gaozhe Cai Li Xue Yanbin Li Ming Liao Jianhan Lin Key Laboratory of Agricultural Information Acquisition Technology Ministry of Agriculture and Rural AffairsChina Agricultural UniversityBeijing 100083China Department of Biological and Agricultural Engineering University of ArkansasFayettevilleAR 72701United States College of Veterinary medicine South China Agricultural UniversityGuangzhou 510642China

Rapid screening of foodborne pathogens is of great significance to ensure food safety.A microfluidic biosensor based on immunomagnetic separation,enzyme catalysis and electrochemical impedance analysis was developed for rapid and sensitive detection of ***,the bacterial sample,the magnetic nanoparticles(MNPs)modified with capture antibodies,and the enzymatic probes modified with detection antibodies and glucose oxidase(GOx)were simultaneously injected into the microfluidic chip,followed by mixing and incubation to form MNP-bacteria-probe sandwich ***,glucose with high impedance was injected into the chip and catalyzed by the GOx on the complexes into hydrogen peroxide with high impedance and gluconic acid with low impedance,which was finally measured using the low-cost interdigitated microelectrode and the electrochemical impedance analyzer to determine the target *** the optimal conditions,this biosensor could quantitatively detect *** at the concentrations from 1.6×10^(2) CFU/m L to 1.6×10^(6) CFU/m L in 1 h with the low detection limit of 73 CFU/m ***,this biosensor was demonstrated with good feasibility for practical applications by detecting the *** spiked chicken meat samples.

关键词： Biosensor Microfluidic chip Electrochemical impedance Interdigitated microelectrode Foodborne bacteria

在线全文

学校读者我要写书评

暂无评论

囊状型疣状角化不良瘤一例

中华病理学杂志 2019年第4期48卷 334-335页

作者：张瑞平刘迎嘉新疆医科大学第五附属医院病理科乌鲁木齐830000

疣状角化不良瘤是一种罕见的良性皮肤肿瘤。皮损外观呈肉色至褐色的丘疹样结节,中央呈脐凹状,特征性病理改变为由表皮向深部穿通的火山口样皮损,可见典型角化不良细胞(圆体、谷粒细胞)及"绒毛"形成。

关键词：疣状角化不良瘤囊状良性皮肤肿瘤角化不良细胞病理改变特征性粒细胞皮损

Genetic Diversity of Lotus(Nelumbo nucifera Gaertn.) Cultivars Revealed by ISSR Analysis

在线全文

学校读者我要写书评

暂无评论

Agricultural Biotechnology 2017年第3期6卷 34-37,42页

作者： Tianyou HE Yinquan QU Shaoyan SHEN Xiaoyun MO Lingyan CHEN yingjia liu Jundong RONG Yushan ZHENG College of Landscape Fujian Agriculture and Forestry University College of Forestry Fujian Agriculture and Forestry University

[ Objectives ] This study was conducted to investigate the genetic diversity of 20 lotus （Nelumbo nucifera Gaertn） samples. [ Methods ] On this optimal ISSR amplification system, 16 primers were screened with good polymorphism, and the DNA was used to amplify the 20 plant samples. [ R^ults] The 16 primers produced 225 loci, of which 170 were polymorphic, and the polymorphic loci percentage was up to 75.56%. The genetic similarity coefficients between the 20 vari- eties ranged from 0. 577 8 to 0.951 1, which were calculated by POPGENE32. The 20 varieties by UPMGA analysis could be clustered into 2 groups, the first of which included Baiyangdian red lotus and Donggua lotus, and other varieties was included in the second group. [ Conchmions] ISSR molecular markers could be effectively used in genetic diversity and fingerprint analysis for different lotus varieties.

关键词： Nelumbo nucifera Gaertn. ISSR Cluster analysis Genetic diversity

c-fos、TRPV1导致慢性前列腺炎大鼠神经痛的实验研究

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

中国男科学杂志 2014年第7期28卷 14-18页

作者：刘迎嘉张晨宋国宏新疆医科大学第五附属医院病理科乌鲁木齐830011 新疆医科大学第五附属医院中医科

目的：探讨慢性非细菌性前列腺炎（chronic nonbacterial prostatitis，CNP）疼痛的可能机制。方法自身免疫法建立CNP大鼠模型；Von Frey丝检测机械刺激缩足阈（paw withdrawal threshold，PWT）；进行前列腺病理学检查和免疫组化检测... 详细信息

目的：探讨慢性非细菌性前列腺炎（chronic nonbacterial prostatitis，CNP）疼痛的可能机制。方法自身免疫法建立CNP大鼠模型；Von Frey丝检测机械刺激缩足阈（paw withdrawal threshold，PWT）；进行前列腺病理学检查和免疫组化检测前列腺与脊髓L5-S2节段c-fos、TRPV1的表达变化和相关性。结果造模后大鼠PWT下降，与对照组相比差异有统计学意义（P＜0.05）。前列腺呈现炎症反应，在病变范围、淋巴细胞浸润方面都较对照组显著，差异有统计学意义（P＜0.05）。与对照组相比，模型组前列腺与脊髓背角L5-S2中c-fos、TRPV1阳性表达均上调，差异有统计学意义（P＜0.05）。前列腺中与脊髓中的c-fos表达无相关关系（r =0.027，P =0.454）；并且两者的TRPV1表达也无相关关系（r =0.000，P=0.5）。结论 c-fos、TRPV1可能通过脊髓L5-S2节段的表达上调参与了CNP大鼠疼痛的形成和维持。

关键词： TRPV1 c—fos 神经痛前列腺炎

量化评估导引式健康宣教应用于初产妇中的效果观察

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

实用妇科内分泌电子杂志 2022年第8期9卷 111-113页

作者：刘莹佳常州市妇幼保健院输液室江苏常州213000

目的观察量化评估导引式健康宣教应用于初产妇中的效果。方法随机抽取2019年5月至2021年5月于本院分娩的初产妇100例为研究对象,以随机数字表法施行分为观察组和对照组,各50例。对照组按产科常规健康教育模式施护,观察组接受量化评估导... 详细信息

目的观察量化评估导引式健康宣教应用于初产妇中的效果。方法随机抽取2019年5月至2021年5月于本院分娩的初产妇100例为研究对象,以随机数字表法施行分为观察组和对照组,各50例。对照组按产科常规健康教育模式施护,观察组接受量化评估导引式健康教育干预,对两组干预后的各观察指标进行比较。结果观察组初产妇健康管理知识掌握度评分为(97.06±1.35)分,显著高于对照组的(85.40±3.69)分,比较差异具有统计学意义(P<0.05)。观察组初产妇母亲角色适应四维度评分分别为(15.90±1.34)、(4.38±0.57),(8.36±0.60)、(40.14±1.58)分,显著高于对照组的(12.06±1.28)、(2.30±0.65)、(5.30±0.65),(32.02±1.46)分,比较差异具有统计学意义(P<0.05)。观察组初产妇积极应对评分为(32.72±1.84)分,显著高于对照组的(26.02±1.25)分,消极应对评分为(14.96±1.23)分,显著低于对照组的(20.28±1.11)分,比较差异具有统计学意义(P<0.05)。结论将量化评估导引式健康教育应用于初产妇之中,可显著促升初产妇健康管理知识掌握度、母亲角色适应能力,改善初产妇应对方式。

关键词：量化评估健康教育初产妇